Use these options to specify how the date range returns results. "Exact" means that the start and end dates of descriptions returned must fall entirely within the date range entered. "Overlapping" means that any description whose start or end dates touch or overlap the target date range will be returned.

Bottles of photographic chemicals used by Brodie Macpherson in his home lab. Most are glass bottles with cork stoppers, a few Seagram's beer bottles and other re-purposed household containers, with handwritten labels indicating their contents.